I need help answering question 4.

Part 3. Here is data for a math class: Answer the following questions based on the above data for the math class. He sure to show all of your work. 1. If one person is randomly chosen to participate in a focus group, what is the probability that the person will be a student who earned a Bin the class? 2. If one person is randomly chosen to participate in a focus group, what is the probability that the student chosen will NOT have earned a D? 3. A focus group of 5 students is going to be randomly chosen. In how many ways can the 5 students be chosen? 1!. 1Liill'hat is the probability that 3 women will be randomly chosen for this focus group of 5 students